Lock



I. AND P. ZUCKERMAN.

LOCK.

APPLICATION FILED ocT. 6. |919.

1,413,450. I PanIeaApr.18,1922.

III@

Illl

IIIIIII III ATTORNEY.

UNITED s'rargas Josera ZUCKERMVAN, or NEWvzoair,

rarest' oiriee;

ANDrINoUs zfUoK/ERMAN, or BROOKLYN, NEW

YYon-K.Y Y i LOCK.

i Taal! yw/wm t may] concern.'

f Be it knownthat we, JOSEPH-Zuckerman' and 'Pintos ZC'KEMAN, citizens ot Poland, residing at N ew York and Brooklyn, respectively, in the counties of N ew York and Kings, respe'otii'fely,V and Statei'of New York,

ha re invented newY and useful Improvements in Locks, of which the iollowingis a speoi This invention. relates-generally to the class 'of looks tordoors and means for operating and eontrollingthesame. i

n the forms'ot lo'cks iiow in general use, 1t

v*is possible to spring the bolts trom the lireepy ers by the use of a jimmy or other tools of this character and it is therefore oneof the principal objects of this invention to producer a lock which.willovercome this objection by constructing thesame in such a manner as' to render it substantially prooi against opening by means of these tools.

Another object of tlie'inif'entionis Vto pro- `vide alock employing independent bolts arranged for "sliding movement V1n the same plane, atnright angles to each other, their' paths ot movement'inter'secting each other whereby one ot said bolts may be projected` to a position behind Ythe other to prevent retraction of the same.

A` further object of the invention is to provide a lock having key operating means disposedat one side thereof torindepmnd ently controlling the movements ot the sepa` rate bolts', and knobs-disposed on the oppo site'side oi the lock forv controlling the bolts i'romthe interior, Vsaid knobs being adapted to be normally locked. by the key operating means but capable of being moved to a position for independently operating said bolts. With these and other objects in view, the invention resides in the novel Construction, combination and arrangement of parts more fully described and pointed out in the following description, and vclaims and Villustrated in the accompanying drawing, in which Figure 1, is a fragmentary yelevation of a door and jamb with the improved lock applied thereto, as viewed from the exterior.

" keeper openin specification of Letters ratent. patenti-3d Apr, 15,1922, Appneaeon me; october- 1919. saraiNojszaia i 'Y r Figuret-is a vertical(transverseseotioiiiil .View therethrough taken approximately on vthe line oif Figure. 1 ,A

Figurev 5 is `a ydet-'ail pers'pectiye View ot one of the boltsremoved from"v the lock.

6o r. Referring to thedrawing eharacterot Y reference, *'10 designates portion of the jainb of a door Ap`1''ofvid ed 'with'the usual 'gv 115, for the' Iereptien @fa lockingbolt.y r:the door v12y has secured 4to its inner side a ljoekfcasiig 13 prvidediwith ranged inflat Contact with-the door.

.a Cover platey 1:4 V'which ispreferablyar- #main 'locking bol-t 15 is arrangedv for horizontal sliding' movement 'within y the.l easing 4'and the outerv extremity 16 of the'same is adapted to be projectedftliroughan opening 17- forengagemerit *withr the keeper 11 of the y door jamb. The boltllis provi'dedfwitha YriorY of evenly'fspaced' rack teeth 18 which are vpreferably in thenature ofstudsp'rojecting from one of the side "ifa'c'e'sof the saine and said teethar'ey adapted to-liejengaged by Vva pinion 19V1 secured to av barrel20,A 1 the latter being mounted. frY rotationwithin the casing. i An auxiliary bltl2'l is alsb arranged withiii'the casingfforwvertieal slid- A"so,

ing movement and' is proiiide'd with'a sim`i- I lar series oi' rack teeth'22 adapted tooo-:ict with the pinion 28 secured to or formejdon a barrel' 24; saidr barrel being mountedtor rotationl within the easing as illii's'tratedf *ItV will thus be seen that when lthe barrels() Vand '24 aierotated, moyenien'tfot the bolts l5 and 21 maybeetfected in either direction andnormally'the bolt 21 is disposed belowvr the horizontal plane of the bolt 15 whereby the latter is free for movement in eitherv direetion. When the bolt 15 has been-moved to the position killustratedn Figure 3,: the

auxiliary bolt 21 is projected to a position Y y behind the same in tion of the same.

The means forfrotating the barrels=20 and 24 are identical and a description of onel of said means will therefore sutticefor both.

order t0 prevent retraci The said operating means includes a keyf` operated, locking cylinder25 arranged Within a casing which isembedded in the door and'isprovided with the usual keyhole 26 arranged exteriorly of the same. Connected with the cylinder for turning movement therewith is an vinwardly extending shaft 27 Which is preferably enlarged and squared as at 28 adjacent the cylinder. The barrels vV20 the door.

2O and 24 are provided squared openings 29 in i for sliding movement, a which is preferably squar 5 to mate with the opening of the sleeve 30 is provide flange 3l arrranged with in the door and the op sleeve which is extended surface of the casing 13,

cured thereto, said knob for sliding the sleeve t and turning the same t( The bore of tlie sleeve is l5 fit the squared portion 2 the same is moved inWar( of a coil expansion spri being interposed betweei' the plate 35 which cover:

To unlock the door fr suming that the same l locked and the bolts ari tion illustrated in Figu;

serted first in the lower cylinder 25 is rotated, tli barrel 24 and pinion 23 i ment of the squared por with the sleeve; the eng:

ion with the rack of tln the same to move dow horizontal plane of the then inserted in the up rotation of the same in i will revolve the barrel bolt l5 from the keeper lock the door from the used, as itis only necess to pull outwardly on the distance to disengage tli squared portion of the and independent move sleeve and barrel. Itis that normally the spring 

